Commit 888545cb authored by Anuj Gupta's avatar Anuj Gupta Committed by Jens Axboe
Browse files

nvme: set REQ_ALLOC_CACHE for uring-passthru request 



This patch sets REQ_ALLOC_CACHE flag for uring-passthru requests.
This is a prep-patch so that normal / IRQ-driven uring-passthru
I/Os can also leverage bio-cache.

Signed-off-by: default avatarAnuj Gupta <anuj20.g@samsung.com>
Signed-off-by: default avatarKanchan Joshi <joshi.k@samsung.com>
Link: https://lore.kernel.org/r/20230117120638.72254-2-anuj20.g@samsung.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 4093cb5a

drivers/nvme/host/ioctl.c

+2 −2
Original line number Diff line number Diff line
@@ -554,7 +554,7 @@ static int nvme_uring_cmd_io(struct nvme_ctrl *ctrl, struct nvme_ns *ns, 
	struct nvme_uring_data d;

	struct nvme_command c;

	struct request *req;

	blk_opf_t rq_flags = 0;

	blk_opf_t rq_flags = REQ_ALLOC_CACHE;

	blk_mq_req_flags_t blk_flags = 0;

	void *meta = NULL;

	int ret;
@@ -590,7 +590,7 @@ static int nvme_uring_cmd_io(struct nvme_ctrl *ctrl, struct nvme_ns *ns, 
	d.timeout_ms = READ_ONCE(cmd->timeout_ms);



	if (issue_flags & IO_URING_F_NONBLOCK) {

		rq_flags = REQ_NOWAIT;

		rq_flags |= REQ_NOWAIT;

		blk_flags = BLK_MQ_REQ_NOWAIT;

	}

	if (issue_flags & IO_URING_F_IOPOLL)